Rewrite the sentences using the words in brackets and the present perfect continuos tense. 1) it; s five o'clock now, and i've been playing volleyball since three o'clock. (for) ? 2) eric is 50, and he has been playing the guitar since he was 10. (for) ? 3) my sister has been living in switzerland for three years, and it's 2000 now. (since) ? 4) it's eleven o'clock now, and we've been walking since nine o'clock. (for) ? 5) it's nine o'clock now, and he's been sleeping for ten hours. (since) ? 6) veronice has been driving a car since she was 17, and she's 25 now. (for) ? 7) i've been studying classical music for ten years, and i'm 26 now. (since